EP3328665A1 - Système d'évaluation de l'état d'un pneumatique - Google Patents
Système d'évaluation de l'état d'un pneumatiqueInfo
- Publication number
- EP3328665A1 EP3328665A1 EP16745716.7A EP16745716A EP3328665A1 EP 3328665 A1 EP3328665 A1 EP 3328665A1 EP 16745716 A EP16745716 A EP 16745716A EP 3328665 A1 EP3328665 A1 EP 3328665A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- modules
- tire
- module
- evaluation system
- tires
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0479—Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
Definitions
- the present invention relates to a tire condition evaluation system, including but not exclusively the state of wear of a tire.
- the tread of a tire is provided with a sculpture including elements of sculpture or elementary blocks delimited by various main grooves, longitudinal, transverse or oblique, the elementary blocks may further comprise various incisions or slices finer.
- the grooves are channels for evacuating water during a wet run and define the leading edges of the carving elements.
- the tread When a tire is new, the tread is at its maximum height. This initial height may vary depending on the type of tire considered and the purpose for which it is intended; for example, "winter" tires generally have a greater tread depth than "summer” tires.
- the height of the elementary blocks of the sculpture decreases and the stiffness of these elementary blocks increases. Increasing the stiffness of the elementary blocks of sculpture results in a decrease in certain performances of the tire, such as wet grip.
- the water evacuation capacities decrease sharply when the depth of the channels of the sculptures decreases.
- Document US 2009/0000370 discloses a measuring system comprising a running wheel intended to accommodate the passage of a vehicle.
- the system includes a power source that transmits a wireless signal to the tire, and a sensor that detects a signal transmitted back by the tire. From this feedback signal, a control unit determines the depth of the tread of the tire.
- this system requires a constant supply of the various elements, and thus offers only a small autonomy.
- the present invention aims to remedy this drawback, by proposing an autonomous system for evaluating the state of a tire.
- the present invention also aims to provide an easy-to-install system for a fleet manager, and adaptable to different types of vehicle and different configurations of wheel and axle mounting.
- the invention relates to a system for evaluating the state of a tire, the system comprising at least first and second unit modules for evaluating the state of a tire. a tire,
- each unitary module comprising a housing placed on the ground, this housing containing at least one detection device allowing the evaluation of a parameter of the tire during a passage of the tire on said housing and data transmission means,
- the first and second unit modules are positioned adjacently. Indeed, such positioning allows to offer a larger module width, and thus allows the evaluation of wider tires. This also allows the evaluation of twin tires in a single pass.
- each unit module comprises an RFID chip reader, which makes it possible to detect a single, or several, RFID identifiers located on the vehicle whose tires are evaluated or in the evaluated tires. .
- RFID chip reader which makes it possible to detect a single, or several, RFID identifiers located on the vehicle whose tires are evaluated or in the evaluated tires. .
- two modules perform a partial evaluation of the same tire, it is useful to be able to process the information from the two modules and combine them to reconstruct a complete evaluation of the state of the tire.
- the cooperation means comprise regular synchronization means between each of the unit modules and the data transmission gateway.
- each unit module transmits at a regular interval the time indicated by their internal clock to a gateway.
- the gap between the clocks of each and the clock of the gateway is known.
- time resetting means installed, for example in the bridge to reconstruct the evaluation of the state of the tire.
- each unitary module comprises at least one sensor implementing a magnetic field source, these sensors making it possible in particular to measure the wear of the tires.
- sensors for example, eddy current sensors or variable reluctance sensors are used.
- the remote database contains information representative of the positioning of the unit modules relative to each other.
- the cooperation means comprise mechanical cooperation means.
- the cooperation means comprise complete measurement reconstruction means from partial measurements performed on the same tire.
- FIG. 1 shows an exemplary embodiment of a unitary module for measuring the state of a tire, implemented in a system according to the invention
- FIGS. 2a, 2b and 3 show different arrangements of unitary modules in a system according to the invention
- FIGS. 4 and 5a to 5d show details of unitary modules used in the configuration of FIG. 3,
- FIGS. 6a to 6c show details of embodiment of a unitary module as shown in FIG. 1, and
- FIGS. 7 and 8 show a system according to the invention in which the unit modules have a particular shape.
- FIG. 1 shows an exemplary embodiment of a unitary module comprising a measuring housing 10 implemented in a system according to the invention.
- enclosure or unitary module will be used interchangeably to designate the physical element placed on the ground.
- the module 10 consists of two access ramps 15 and a horizontal measuring zone 16. It is designed so as to be disposed on a flat floor and fixed on the ground, for example by means of screws. .
- the module has dimensions chosen to be easily transportable.
- its width L is less than 2 m. In this way it is easily handled by a person and can be transported on a pallet.
- the module further comprises an internal electronics comprising a set of features for operation in complete autonomy.
- the module includes:
- Means for measuring the condition of the tires for example sensors for measuring the wear or the pressure of the tires.
- these sensors can use an alternating magnetic field source, as for example in the case of current sensors.
- Foucault or variable reluctance sensors Alternatively, these sensors can also use a static magnetic field source.
- Means for transmitting data making it possible to communicate with a web gateway 6 arranged nearby,
- Means for identifying tires and vehicles for example an RFID reader.
- the unitary module is provided with cooperation means for allowing a combination of several unit modules to form a complete system for evaluating the condition of the tires.
- cooperation means may be mechanical, to allow the physical assembly of the modules, or electronic, to allow a reconstruction of the measurements made by different modules.
- the gateway 6 is a communication relay between the unit modules and a remote database. This gateway is thus provided with means for receiving information from the modules and transmission means to said remote database.
- the gateway 6 is also provided with its own clock, to know the date and time of receipt of messages received from the unit modules.
- FIG. 2a shows a first exemplary embodiment of a system for measuring the state of the tires according to the invention.
- the tire condition measurement system consists of two modules 80 and 90. Thus, it is suitable for measuring the condition of tires on passenger vehicles.
- the distance E 'between the two modules is chosen so that the tires located on the left side of a vehicle are measured by the module 80, when the tires located on the right side of the vehicle. vehicle are measured by module 90.
- each module performs an assessment of the condition of the tires located on one side of the vehicle.
- the measured data is then transmitted to the gateway 6, in order to be subsequently transmitted, periodically or when the tire leaves the measuring system, to a remote database.
- an embodiment of an information transmission protocol called an example is used. "Listen Before Talk".
- the module 80 if the module 80 wishes to transmit its measurement result, it first goes into reception mode for a random time, in order to detect a possible message transmission by another module.
- this listening time is of the order of ten milliseconds. If no message is being transmitted by another module, the module 80 sends the result of its measurement to the gateway 6. Otherwise, the module goes into reception mode again waiting to be able to transmit this data.
- FIG. 2b shows a second exemplary embodiment of a tire condition measuring system associating several modules identical to that of FIG. 1.
- the tire condition measurement system consists of four modules 10, 20, 30 and 40 identical to the modules 80 and 90 of Figure 2a. These modules are arranged on the ground along a line 60. They are adjacent two by two, and thus form two subsets.
- the spacing E between the two subassemblies is advantageously chosen so that, when a truck type vehicle 50 is faced with the system for measuring the condition of the tires thus constituted, the tires located on the left side of the vehicle pass over the subassembly consisting of the modules 10 and 20, while the tires located on the right side of the vehicle pass over the subassembly consisting of the modules 30 and 40.
- the width L of the modules may advantageously be chosen so that, when a subassembly of a plurality of modules is created, the total length of said subassembly is greater than the transverse bulk of the twin tires of the heavy goods vehicle whose condition of the tires is evaluated. In this way, it is possible to evaluate the condition of all the tires of the vehicle 50 in a single pass.
- unit modules whose width L is large enough to cover the area required for the state of twin tires, however such modules are much less convenient to carry. and to install.
- the vehicle tires it is possible for the vehicle tires to overlap two modules belonging to the same subassembly.
- the tire concerned will be measured in part by a first module, and partly by a second module, adjacent to the first, which will lead to two partial measurements.
- the system must be provided with cooperation means so that the measurement of the state of the tire can be reconstituted in its entirety.
- a first reconstitution strategy is to perform a regular synchronization between each of the modules and the gateway 6 described in Figure 1. To do this, the modules transmit at regular intervals the schedule indicated by their internal clock gateway 6 Thus, the gap between the clocks of each of the modules and the clock of the gateway is known.
- each module transmits the partial information collected at the gateway, along with the schedule of the measurement indicated by the internal clock of the module.
- the gateway Upon receipt of the information, the gateway having measured the current offset of the modules with its own clock, it can adjust the time measurement and detect as well as these measurements were made at the same time.
- the system performs for example a reading of an RFID identifier positioned on the vehicle to identify the vehicle whose tire condition is measured. Said vehicle, the number and size of the tires that equip it, are known in the remote database to which each module is connected.
- the database vehicle identifier, measurements and time stamp of the measurements made by each module, time stamp of the reception and transmission of data by the web gateway
- This association by time registration can also be performed in a remote server if the gateway communicates the necessary elements to said server.
- the gateway regularly sends its internal schedule associated with the internal schedule of each of the modules to the server. At the time of the measurement, it is also content to forward each measure associated with the schedule of the module concerned and its own schedule.
- each module transmits the measurement made, associated with the measurement schedule, and the time of transmission of the information to the gateway 6. Assuming that the transmission time is zero, the gateway 6 can then time-adjust the measurements relative to each other and detect measurements made at identical times using its own clock to calculate the clock differences between modules within the same measurement system. the condition of the tires.
- Another solution consists in equipping each module with communication means at a very short distance with the other adjacent modules. In this case, it is possible to perform synchronization by exchanging information between adjacent modules, without going through the gateway 6.
- Yet another solution is to regularly communicate the state of the clock of the gateway 6 to each of the modules, to force the modules to follow the schedule of the gateway 6.
- this solution is less advantageous because it forces the modules to operate in reception mode, which is less relevant from the point of view of the electrical consumption of the internal electronics of the modules.
- Another way of reconstructing an entire tire measurement can be employed when the tires contain RFID identification chips.
- the modules being each provided with an RFID reader, it is possible to send the partial tire measurements to the gateway 6, accompanied by the tire identifier detected during the measurement.
- the gateway may associate the partial measurements made, making use of the knowledge of the tire identifier on which these measurements were made.
- FIG. 3 illustrates another embodiment of a system for measuring the state of the tires from the modules described in FIG. 1.
- a line of modules 93 is made by combining six modules identical to the module described in Figure 1. This line is disposed at the entrance of a parking 91. This entrance to the car park 91 is located between two buildings A and B.
- This configuration is particularly advantageous because it allows to measure the condition of the tires of all types of vehicles 94 entering the car park 91, regardless of the location exact passage vehicles 94 on the line 93, in the direction of the entry as in the direction of the exit.
- FIG. 4 shows the detail of the interior of two modules situated at one end of the line 93 described in FIG. 3.
- the module 22 is located against the building B.
- the module 12 is located between two modules 13 and 22.
- These modules are provided with sensor 100 arranged in line, regularly spaced relative to each other, and connected to an electronic measurement and information transmission 110.
- the sensors 100 use a magnetic field source.
- This case may exist, for example, in the case of sensors for measuring the thickness of the rubbery material layer operating on the principle of eddy currents or on the principle of variable reluctance.
- each sensor can disturb the sensors that are adjacent thereto.
- the interactions between sensors are not problematic if they are identical from one sensor to another. This situation of identical interactions is acquired when each sensor is located along a line, between two groups of sensors consisting of at least two identical sensors, and the distance separating the sensors is always the same.
- This characteristic is also a condition of good operation of the system for measuring the condition of the tires described in FIG. 2b.
- the measurements made by each sensor of each module of the system are corrected taking into account the presence of modules adjacent or not in the system.
- the correction coefficients used to correct the measurements made by the sensors located in the half of the module closest to the building B will be the calibration coefficients obtained with a single module.
- the correction coefficients used to correct the measurements made by the sensors located in the nearest module half of the module 12 will be the calibration coefficients obtained with a module positioned between two adjacent modules.
- FIGS. 5a and 5b show the detail of two other modules located inside the line 93 described in FIG. 3.
- the sensors 100 described above are numbered from 1 to 5 according to the number of the digital input on which said sensors 100 are connected in the processing electronics 110.
- Figures 5c and 5d illustrate this problem.
- the graph of Figure 5c was obtained by rolling a tire astride the two modules shown in Figure 5a.
- the numerical input number corresponding to each sensor is indicated on the abscissa and the output voltage of each sensor is indicated on the ordinate. If the orientation of the modules recorded in database was, by mistake, that of Figure 5b, it would result in the visible interpretation in Figure 5d.
- the presence of two distinct voltage peaks would suggest that two paired tires have passed over the assembly consisting of the two modules. This would be a manifest error.
- An easier way to proceed is to respect the same orientation for all modules by positioning all the arrows of the same system for measuring the condition of the tires in the same direction. In doing so, a sensor connected to the digital input 5 of the electronics 110 of one of the modules is always positioned next to a sensor connected to the digital input 1 of an adjacent module. In doing so, the information to be recorded in the database is simpler since the configuration is always the same from one system for measuring the state of the tires to the other.
- Another provision must be respected in order to ensure that a system for measuring the condition of the tires such as that described in FIG. 3 can operate. It is a matter of recording the relative position of the different modules relative to each other.
- the measurement system 93 described in Figure 3 shows indeed six modules arranged on the ground against each other, without space between each of the modules. Each module has a unique identifier of its own. For example, in the case described in Figure 3, the modules are numbered between 1000 and 1006.
- FIGS. 6a and 6b illustrate some additional details of the internal electronics of a tire condition measuring module.
- This type of module can be used for example in the case of the tire condition measuring system described in Figure 2b.
- This module 600 is provided with housings 200 for the tire condition sensors 100 and housing 830 and 930 for sensors 800 and 900 tire detection.
- the tire detection sensors are piezoelectric buzzers which generate a positive voltage when a tire 500 is present on the module 600.
- the measurement sensors 100 and tire detection 800 and 900 are connected in this example to a central electronic 700.
- the piezoelectric buzzers When a tire 500 is on the module 600, the piezoelectric buzzers generate a peak voltage at the time of passage of the tire. Thus, as illustrated in FIG. 6c during an example of tire passage, a first peak 850 emitted by the buzzers 800 is detected by the electronics 700, then after a time t, a peak 950 is emitted by the buzzers 900 .
- the module can determine that the direction of passage of the tire is the direction indicated by the arrow 999, since the buzzers 800 have been requested before buzzers 900.
- the use of a module provided with such a system for detecting the direction of travel may allow, for example, in the case of the system described in FIG. 2b, to automatically determine the relative orientation of the modules, one by compared to others.
- the information of the rolling direction can be sent to the remote server, with tire status measurements. This makes it possible to detect any inconsistencies in the direction of passage of the tires, given the system, during the first passage of the vehicle on said system. To do this, it would be enough to compare to a standard orientation initially defined in the server.
- FIG. 7 illustrates an improvement in the geometrical shape of the modules described in FIG. 1.
- This FIG. 7 shows a system for measuring the state of the tires consisting of two identical modules 11.
- Each of the modules 11 has a thickness not shown of the order of a few centimeters. For example 4 centimeters.
- Each of the modules 11 consists of two access ramps 18 and a measurement zone of the state of the horizontal tires 17.
- the lateral edges of each of the modules are not rectilinear but, starting from a central point 21, they form an angle with the driving direction of the vehicles.
- the adjacent modules are in contact by a single point 21, which facilitates the installation of the system on the ground by avoiding making a hyperstatic assembly between the two adjacent modules, while ensuring that the distance between the 100, visible in Figures 4, 5a and 5b, and present in the same configuration within these two modules 11 are separated by a constant distance inside the modules and the interface between the two modules 11 of Figure 7.
- FIG. 8 shows two modules 22 identical in bottom view mounted against each other by means of a splint 23 whose geometrical shape at these ends differs.
- This splint 23 is positioned in housings 25 and 24 of suitable shape, to ensure the positioning and relative orientation of the modules relative to each other.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1557304A FR3039459B1 (fr) | 2015-07-30 | 2015-07-30 | Systeme d'evaluation de l'etat d'un pneumatique |
| PCT/EP2016/068141 WO2017017249A1 (fr) | 2015-07-30 | 2016-07-29 | Système d'évaluation de l'état d'un pneumatique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3328665A1 true EP3328665A1 (fr) | 2018-06-06 |
| EP3328665B1 EP3328665B1 (fr) | 2019-09-04 |
Family
ID=54707899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16745716.7A Active EP3328665B1 (fr) | 2015-07-30 | 2016-07-29 | Système d'évaluation de l'état d'un pneumatique |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10639945B2 (fr) |
| EP (1) | EP3328665B1 (fr) |
| CN (1) | CN107921830B (fr) |
| FR (1) | FR3039459B1 (fr) |
| WO (1) | WO2017017249A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3067137A1 (fr) * | 2017-06-02 | 2018-12-07 | Compagnie Generale Des Etablissements Michelin | Procede de fourniture d'un service lie a l'etat et/ou au comportement d'un vehicule et/ou d'un pneumatique |
| EP3655770A1 (fr) | 2017-07-17 | 2020-05-27 | Compagnie Générale des Etablissements Michelin | Méthode de détection de l'état de la route et du pneumatique |
| IT201800005600A1 (it) | 2018-05-22 | 2019-11-22 | Sistema e metodo per gestire dati pertinenti a un servizio alla ruota | |
| CN109141937B (zh) * | 2018-08-03 | 2021-04-09 | 北京逸驰科技有限公司 | 一种智能化轮胎评估系统及其使用方法 |
| FR3090870A3 (fr) * | 2018-12-19 | 2020-06-26 | Michelin & Cie | Procédé et système d’évaluation de paramètres d’un pneumatique |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4067235A (en) * | 1974-11-27 | 1978-01-10 | Consolidated Freightways, Inc. | Method and apparatus for measuring air pressure in pneumatic tires |
| GB0402240D0 (en) * | 2004-02-02 | 2004-03-03 | Transense Technologies Plc | Remote interrogation of a vehicle wheel |
| JP4887373B2 (ja) | 2005-11-22 | 2012-02-29 | シェーファー・フランク・ハー | タイヤの形状深さおよび形状の種類ならびに走行時の車両の速度および地上高の検出装置 |
| US7578180B2 (en) | 2007-06-29 | 2009-08-25 | The Goodyear Tire & Rubber Company | Tread depth sensing device and method for measuring same |
| KR100845196B1 (ko) * | 2007-09-11 | 2008-07-10 | 금호타이어 주식회사 | 타이어 마모 측정 방법 |
| DE102009016498A1 (de) * | 2009-04-08 | 2010-10-21 | Ventech Gmbh | Verfahren und Vorrichtung zum Ermitteln der Profiltiefe eines Fahrzeugreifens |
| FR2974210B1 (fr) * | 2011-04-12 | 2014-07-18 | Michelin Soc Tech | Procede de gestion de donnees entre un marqueur rfid porte par un pneumatique et un capteur porte par une jante |
| DE102012108348A1 (de) * | 2012-09-07 | 2014-03-13 | Continental Reifen Deutschland Gmbh | Verfahren zur Bestimmung der Profiltiefe eines Fahrzeugreifens mit einem auf der Reifeninnenseite angeordneten Reifenmodul |
| FR3007517B1 (fr) | 2013-06-20 | 2016-08-19 | Michelin & Cie | Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique |
| FR3009075B1 (fr) | 2013-07-26 | 2016-09-09 | Michelin & Cie | Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique |
| FR3009076B1 (fr) | 2013-07-26 | 2017-03-31 | Michelin & Cie | Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique |
| FR3020680B1 (fr) | 2014-05-02 | 2017-11-24 | Michelin & Cie | Systeme d'evaluation de l'etat d'un pneumatique |
| FR3030743B1 (fr) | 2014-12-17 | 2017-01-13 | Michelin & Cie | Systeme d'evaluation de l'etat d'un pneumatique muni d'un dispositif de detection du sens de roulage |
| FR3030717B1 (fr) | 2014-12-17 | 2017-01-13 | Michelin & Cie | Procede de mesure de l'epaisseur d'une couche de materiau caoutchouteux |
| FR3030759B1 (fr) | 2014-12-17 | 2017-01-13 | Michelin & Cie | Systeme d'evaluation de la vitesse d'un pneumatique |
| FR3030374B1 (fr) | 2014-12-17 | 2017-01-13 | Michelin & Cie | Procede de detection et d'alerte de l'etat de sous-gonflage d'un pneumatique |
| FR3030744A1 (fr) | 2014-12-17 | 2016-06-24 | Michelin & Cie | Systeme d'evaluation de l'etat d'un pneumatique |
| HU230980B1 (hu) * | 2015-09-02 | 2019-08-28 | Altidea Kft. | Elektromágneses hajtással rendelkező kerékkészlet és kerekes jármű, amely elektromágneses hajtással rendelkező kerékkészletet tartalmaz, valamint eljárás ilyen kerékkészlet működtetésére |
| ITUA20162722A1 (it) * | 2016-04-19 | 2017-10-19 | Butler Eng And Marketing S P A | Dispositivo e metodo per l'analisi e il rilevamento di caratteristiche geometriche di un oggetto |
| US10603962B2 (en) * | 2017-06-29 | 2020-03-31 | The Goodyear Tire & Rubber Company | Tire wear state estimation system and method |
-
2015
- 2015-07-30 FR FR1557304A patent/FR3039459B1/fr not_active Expired - Fee Related
-
2016
- 2016-07-29 EP EP16745716.7A patent/EP3328665B1/fr active Active
- 2016-07-29 CN CN201680044024.4A patent/CN107921830B/zh active Active
- 2016-07-29 US US15/746,290 patent/US10639945B2/en active Active
- 2016-07-29 WO PCT/EP2016/068141 patent/WO2017017249A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3039459A1 (fr) | 2017-02-03 |
| CN107921830A (zh) | 2018-04-17 |
| WO2017017249A1 (fr) | 2017-02-02 |
| EP3328665B1 (fr) | 2019-09-04 |
| CN107921830B (zh) | 2020-06-05 |
| US10639945B2 (en) | 2020-05-05 |
| FR3039459B1 (fr) | 2017-08-11 |
| US20180215211A1 (en) | 2018-08-02 |
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